84316943 has 2 divisors, whose sum is σ = 84316944. Its totient is φ = 84316942.

The previous prime is 84316907. The next prime is 84316987. The reversal of 84316943 is 34961348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84316943 - 2¹⁰ = 84315919 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 84316897 and 84316906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84310943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42158471 + 42158472.

It is an arithmetic number, because the mean of its divisors is an integer number (42158472).

Almost surely, 2^84316943 is an apocalyptic number.

84316943 is a deficient number, since it is larger than the sum of its proper divisors (1).

84316943 is an equidigital number, since it uses as much as digits as its factorization.

84316943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 84316943 is about 9182.4257688260. The cubic root of 84316943 is about 438.5020393103.

The spelling of 84316943 in words is "eighty-four million, three hundred sixteen thousand, nine hundred forty-three".